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There has never been a better time to detox: Exposure to environmental toxins is more prevalent than ever. But few people are eager to embark on a restrictive cleansing regime. Don't bother. Instead, take these detox supplements daily.

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N-acetylcysteine (NAC)

Another glutathione precursor, NAC helps the body excrete toxins such as mercury, studies show. Emergency-room doctors commonly use NAC as an antidote to acetaminophen poisoning. Dose: 500–1,500 mg in capsule form daily, says Crinnion, particularly if you eat a lot of large-fish seafood or live in (or are visiting) a highly polluted area.